KR20220026758A - Method of manufacturing a face mask having nose pad - Google Patents

Abstract

The present invention relates to a method for manufacturing a face mask with a nose pad, which includes a nose pad, in which a nose protection band having a silicone pattern layer formed therein is stacked on a wire, on a mask in an adhesive manner, so that adhesion with the mask is strengthened on a nose part by the nose pad to prevent fogging of glasses and, in particular, allows the silicone pattern layer closely to be adhered to the nose so that the mask is prevented from sliding or moving down from the nose to even if the user moves the face moves. On the other hand, since a hot-melt laminated film interposed with a wire and a nose protection band formed with a silicon pattern layer, which form a nose pad, are formed in a tape type, the nose pad can be continuously manufactured through lamination of these tapes, and thus productivity is increased. The method comprises a hot-melt lamination film preparation step, a positioning step, a nose protection pad preparation step, a nose pad forming step, and a mask manufacturing step.

Description

Method of manufacturing a face mask having nose pad

The present invention relates to a method for manufacturing a mask by attaching a nose pad to a mask using an adhesive method instead of a sewing method.

Masks are generally intended to prevent substances harmful to the human body, such as pollen, yellow dust, bacteria, viruses, etc. from entering through the mouth or nose, and masks having various shapes and structures are being developed.

As a kind of such a mask, a flat cover type mask capable of expanding the area covering the face up and down by folding horizontal wrinkles is generally used.

The flat cover type mask has problems in that the nose and mouth contact the mask and there is not enough space on the face, so moisture is formed on the glasses or women's makeup is erased as they breathe, and condensation occurs due to the cold air in winter There are problems with this happening.

In order to solve this problem, in Korean Patent Application Laid-Open No. 2019-0111380, two sheets composed of an earring hole formed on one side and a curved portion protruding in the opposite direction to the earring hole formation position on the other side are symmetrically combined around the curved portion. However, a mask is described in which the curved portion is formed to protrude to the front. Since the curved portion of this mask protrudes to the front, the portion where the user's nose and mouth are located has the advantage of being spaced apart from the user's face to secure a breathing space.

Recently, 3D fashion masks with excellent design in various colors and patterns are in vogue.

3D (three-dimensional) fashion masks are generally manufactured using elastic materials such as NBR, polyurethane, functional polyester fibers, and materials that are flexible and easy to print, such as Aerosilver (product name of Hyosung’s functional fiber). , It is manufactured so that two pieces of mask body fabric having earring holes are symmetrically combined around the curved part, but the curved part is formed to protrude to the front.

As a result, although the earring hole is integrated with the mask body, the mask body is made of soft and elastic material, which reduces the pressure on the ears, naturally adheres according to the facial contour, secures a breathing space, and enables washing. there is.

However, since the fabric is soft and the adhesion and shape retention are deteriorated by a small external force or movement of the face, a nose support is still required to strengthen this.

In order to provide such a nose pad, a wire string made of a resin (polyethylene, acrylic, etc.) material having flexibility and shape retention with one or two bendable metal (copper) wires inserted is placed on the upper side of the mask and another fabric is added. A sewing method of sewing has been used.

However, according to this sewing method, since the sewing surface and the needle marks are present in the fashion mask, it is not possible to form an integral, uniform and smooth surface in the appearance, there is a problem in that the design is deteriorated and the wire string can flow.

Republic of Korea Patent Publication No. 2019-0111380 (published date: October 02, 2019, title of invention: mask)

An object of the present invention is to provide a manufacturing method for attaching a nose pad by an adhesive method rather than a sewing method when a nose pad is provided in a mask in order to solve the above problems.

In order to solve the above problems, the present invention provides a step of preparing a hot-melt laminated film in which a bendable wire is interposed by placing a bendable wire on a hot-melt film layer and laminating a hot-melt film layer thereon again; locating the hot melt laminated film having the wire interposed therebetween on the inner surface of the mask fabric; Preparing a protective band on the bridge of the nose formed with a silicone pattern layer; forming a nose pad by laminating the protective band on the bridge of the nose on the hot-melt laminated film having the wire interposed therebetween; and manufacturing a mask to which the nose support is attached by placing the nose support on the nose support part of the mask fabric and heat-pressing the nose support to fix the nose support to the mask fabric. provide a way

In addition, in the present invention, an adhesive is applied to the area where the nose rest is to be located on the inner surface of the mask fabric, a wire or a wire string is placed on the application site, and an adhesive is applied thereon again to form an adhesive layer to which the wire is attached from the mask. forming; forming a nose pad by attaching a protective band on the bridge of the nose with a silicone pattern layer formed thereon on the adhesive layer; and manufacturing a mask to which the nose support is adhered by heat-pressing the nose piece to fix the nose piece.

According to the present invention, since the mask is provided with a nose pad in which a nose bridge protection band having a silicone pattern layer formed on a wire is laminated in an adhesive method, the adhesive force with the mask is strengthened in the nose bridge area by the nose support to prevent fogging on the glasses, In particular, since the silicone pattern layer adheres to the bridge of the nose, the mask does not slip or flow from the bridge of the nose even when the face is moved.

On the other hand, since the hot-melt laminated film interposed with the wire constituting the nose pad and the nose bridge protection band with the silicone pattern layer formed in the form of a tape, the nose pad can be manufactured in a continuous operation through the lamination process of the tape, thereby improving productivity. .

1 is a photograph of the outer surface of a fashion mask provided with a nose pad according to an embodiment of the present invention.
2 is a photograph of an example of a wire string on which a wire is mounted.
3 is a photograph showing a hot melt laminated film having a wire interposed therebetween is attached to the inner surface of the fashion mask according to an embodiment of the present invention.
4 is a photograph of a nose bridge protection band having a silicone pattern formed therein according to an embodiment of the present invention.
5 is a photograph of the inner surface of a fashion mask provided with a nose rest and a chin rest according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The present invention can start from the step of preparing a bendable wire first.

The bendable wire is deformed by an external force to block the gap that occurs under the eyes due to the height of the nose bridge, and can be bent and adhered to the top of the mask body.

That is, when an external force of a certain size or more is applied, the bent shape can be bent (deformed) into an intended shape, and when an external force of a certain size or more is not applied, the bending shape is maintained as it is. Similarly, a metal wire such as copper, brass, iron, etc. may be applied, but the present invention is not limited thereto.

It is preferable that the bendable wire is horizontally embedded and fixed on the upper side of the mask body so as not to deviate from its installation position.

It is good to use the wire having a diameter of 0.5 to 1.0 mm, so that it is easy to deform and fix and does not severely deteriorate the external appearance.

Thereafter, a step of preparing a hot-melt laminated film in which the bendable wire is interposed may be performed by placing a bendable wire on the hot-melt film layer and laminating a hot-melt film layer thereon again.

In this case, it is preferable to use a urethane type for the hot melt from the viewpoint of elasticity and mechanical strength.

The urethane-based hot melt improves adhesion with the mask body fabric, wire, and face protection fabric, and when the mask body is stretched, the nose support part does not stretch accordingly, and it adheres closely to the bridge of the nose and maintains a fixed state. possible.

In this case, using a hot melt film with a width of 10 to 20 mm improves adhesion to the mask fabric and improves the adhesion between the nose support and the nose bridge of the face.

By using the hot-melt film and wire as described above, the hot-melt film layer and the wire are continuously input in the equipment for lamination so that the wire is interposed between the hot-melt film layers, so that the continuous production of the hot-melt laminated film is possible.

In the tape operation for such continuous production, handleability can be improved by using a release paper coated with hot melt instead of a hot melt film and separating the release paper later.

In addition, in the present invention, the same effect can be exhibited even if a wire string is used instead of the wire.

Thereafter, as shown in FIG. 3, a step of locating the hot-melt laminated film having the wire interposed therebetween is performed on the inner surface of the fashion mask.

Thereafter, a step of preparing a nose bridge protection band having a silicone pattern layer as shown in FIG. 4 is performed by printing silicone ink on the nose bridge protection fabric.

The nose bridge protection fabric is a part of the mask that is in contact with the face, and it protects the face from the wire and fixes the wire so that it does not flow in the mask. It can be used without this.

The silicone ink may be printed on the entire face or part of the face protection fabric in the longitudinal direction.

The soft and flexible mask does not slip or flow from the bridge of the nose by the silicon pattern layer formed in this way.

Thereafter, the step of forming a nose pad is performed by laminating the protective band on the bridge of the nose on the hot melt laminated film having the wire interposed therebetween.

Such a nose pad can minimize the unintentional deformation of the upper side of the mask body, which is in close contact with the facial contour around the nose, into a different shape.

Due to this, when the face is moved, there may be a gap because the fabric of the mask is soft and flexible, but the nose bridge area is maintained in adhesion by the nose support band to prevent fogging of the glasses.

In addition, the printed silicone ink pattern layer prevents slipping or dripping from the bridge of the nose.

After that, the mask with the nose support of the present invention is manufactured by placing the nose support on the nose support area of the mask fabric and performing a heat press to prepare the mask with the nose support attached to attach and fix the nose support. do.

On the other hand, the silicone ink, which is capable of silk screen printing on textile fabric, is an ink prepared by using a silicone resin as a vehicle, and is an ink used by mixing a curing agent. is controlled, and silicone has excellent solvent resistance, softness, smoothness, elasticity, restoration properties, and heat resistance.

Most textile inks do not have excellent heat resistance and solvent resistance, so they cannot be ironed or dry cleaned, but silicone inks can do this. Ink is possible and has washing resistance.

In addition, silicone ink imparts a tactile sensation most similar to human skin.

The silicone ink of the present invention contains 10 to 15 parts by weight of the curing accelerator of the liquid silicone rubber, 5 to 10 parts by weight of the synthetic resin elastomer fine particles having a particle size of 60 to 90 μm, and a fluorine-based surfactant, based on 100 parts by weight of the solvent-free liquid silicone rubber. 0.5 to 3.0 parts by weight are mixed and used.

The liquid silicone rubber includes alkyltrimethylsilane, 1,3-divinyl-1,1,3,3-tetramethyldisiloxane, methacryloxymethyltrimethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, and the like. It is made from siloxane having a vinyl group and siloxane having a Si-H bond such as triethylsilane, phenylsilane, and methylhydropolysiloxane.

At this time, it is preferable to mix the siloxane having a vinyl group and the siloxane having a Si-H bond so that the Showa hardness of the silicone rubber after curing is 40 to 90.

In addition, it is preferable that the viscosity is 500 poise or more for screen printing on textile fabrics.

The present invention provides a safe mask that does not harm the human body by using a solvent-free silicone rubber.

The curing accelerator is an accelerator for curing the liquid silicone rubber, and a platinum compound or a palladium compound may be used.

As the elastomer fine particles, a thermoplastic elastomer having elasticity such as styrene-based, olefin-based, urethane-based, polyamide-based, or polybutadiene-based is used.

If the particle diameter of the elastomer fine particles is less than 60 μm, the silicone printing surface becomes too smooth and the friction coefficient is small, so that the anti-slip effect is not exhibited.

In addition, if the amount of the elastomer fine particles used is less than 5 parts by weight, the printed surface does not roll up to prevent slipping, and if it exceeds 10 parts by weight, the content of the liquid silicone rubber decreases, so that the adhesive force of the elastomer fine particles is deteriorated and the appearance is too non-uniform. .

The fluorine-based surfactant exhibits thixotropic fluidity during printing and increases the smoothness of the printing material. Lithium salt, potassium salt or sodium salt of perfluoroalkyl (C2-C12) carbonic acid, lithium salt, potassium salt or sodium salt of perfluoroalkyl (C4-C10) sulfonic acid, etc. are used.

If the amount of the fluorine-based surfactant used is less than 0.5 parts by weight, the smoothness of the printing material cannot be increased, and if it exceeds 3.0 parts by weight, the printing material will flow even if it is still.

The silicone ink, as a printing material capable of screen printing on textile fabric, is non-flowable when standing still at room temperature, and preferably has a viscosity that does not flow at a temperature of 130 to 150 ° C for curing heat-curable liquid silicone rubber. This is because the use of a non-flowable printing material allows screen printing on materials such as fabrics with coarse mesh to have a printing thickness.

The silicone ink is printed through a screen in which a pattern of a predetermined shape is formed on the face protection fabric. The silicone ink does not have fluidity when it stands still, but since a fluorine-based surfactant is added, when a shear force is applied, it exhibits thixotropic fluidity and thus flows. For this reason, since the silicone ink exhibits fluidity during squeezing of screen printing, transferability becomes good when the silicone ink passes through the screen mesh. In addition, since the smoothness after transition is increased, the shape of the printed pattern is formed with high precision.

In addition, the heating of the print pattern is performed for 5 to 8 minutes at 100 to 110° C. and for 2 to 3 minutes at 120 to 130° C. in order to sufficiently harden by addition polymerization of the vinyl group and Si-H bond of the liquid silicone rubber. , at a temperature higher than 130°C, it is carried out for 3 to 10 seconds. And if the heating temperature is selected in response to the physical properties such as the heat resistance temperature of the material of the mask body, the problem of shrinkage or discoloration of the material does not occur.

Since the silicone ink has a structure in which elastomer particles are filled after curing, high-thickness pattern printing is possible.

In addition, since the elastomer fine particles are densely filled between the cured silicone rubber to form fine irregularities, the surface area is increased, resulting in an effect of preventing slippage.

As an example of the silicone ink, one prepared as follows may be used.

To 100 parts by weight of a solvent-free liquid silicone rubber (SE-1700, manufactured by Dow Corning), 5 parts by weight of silicone rubber fine particles having an average particle diameter of 30 μm were added and thoroughly mixed, and then a platinum compound (X-116-3 CAT, X-116-3 CAT, 10 parts by weight (manufactured by Dow Corning) was added and mixed.

The mixture thus obtained did not show fluidity at room temperature.

To the mixture thus obtained, 0.5 parts by weight of perfluorobutyl quaternary ammonium oxide was added and mixed to prepare a silicone ink for screen printing.

The silicone ink thus obtained did not exhibit fluidity at room temperature.

Another embodiment of the present invention will be described as follows.

Applying an adhesive on the inner surface of the mask fabric to the part where the nose rest is to be located, placing a wire or a wire string on the application part, and again applying an adhesive thereon to form an adhesive layer to which the wire is attached in the mask; carry out do.

At this time, as the adhesive, any adhesive that provides adhesion with the mask fabric, wire, wire string, and nose protection fabric can be used without limitation.

The step of forming a nose pad by attaching a protective band on the bridge of the nose with a silicone pattern layer formed thereon on the adhesive layer; is carried out.

Thereafter, the mask with the nose support of the present invention is manufactured by carrying out a step of manufacturing a mask with the nose support adhered by heat-pressing the nose piece to fix the nose piece.

At this time, it is preferable to use the same as those described in the previous embodiment for the wire, wire string, the nasal bridge protection band with the silicone pattern layer, the nasal bridge protection fabric, and the silicone ink.

On the other hand, in manufacturing the mask of the present invention, the above steps described for mounting the nose pad on the inner surface of the mask fabric may be continuously performed by a roll operation by changing the order of each other.

In addition, a nose pad may be attached to a mask other than the fashion mask by the method according to the present invention.

As another embodiment of the present invention, it is possible to manufacture a mask having a nose support and a chin support at the same time.

At this time, the chinrest is manufactured by placing it in the chinrest area using the manufacturing method of the noserest as described above.

Since this mask maintains a tightly adhered state by the nose and chin rest even when the face is moved, the inner space formed by the three-dimensional fashion mask can be maintained without gaps, and the flexible mask is shaped and formed by the nose and chin rest. The space is kept stable, and if necessary, even if the part of the mask in contact with the chin is separated from the chin, the spaced state is maintained by the chinrest, so ventilation can be achieved through the lower part of the chin.

Although the present invention as described above is limited to the above-described embodiment, it is not necessarily limited thereto, and various modifications can be made without departing from the scope and spirit of the present invention.

Claims (5)

Placing a bendable wire on the hot melt film layer and laminating a hot melt film layer thereon again to prepare a hot melt laminated film having the bendable wire interposed therebetween;
locating the hot melt laminated film having the wire interposed therebetween on the inner surface of the mask fabric;
Preparing a protective band on the bridge of the nose formed with a silicone pattern layer;
forming a nose pad by laminating the protective band on the bridge of the nose on the hot-melt laminated film having the wire interposed therebetween; and
A method of manufacturing a mask with a nose support including a step of placing the nose support on the nose support part of the mask fabric and heat-pressing the nose support to fix the nose support to the mask fabric to manufacture a mask with the nose support attached; . Forming an adhesive layer to which the wire is attached in the mask by applying an adhesive to the part where the nose rest is to be located on the inner surface of the mask fabric, placing a wire or a wire string on the application part, and applying the adhesive again thereon;
forming a nose pad by attaching a protective band on the bridge of the nose with a silicone pattern layer formed thereon on the adhesive layer; and
A method of manufacturing a mask having a nose support, including the step of bonding the nose support portion to a hot press to fix the nose support, thereby manufacturing a mask to which the nose support is attached. The method of claim 1,
The method of manufacturing a mask provided with a nose pad, characterized in that the hot melt is urethane-based. 3. The method of claim 1 or 2,
The method of manufacturing a mask with a nose pad, characterized in that the silicone pattern layer is formed by pattern printing the nose bridge protection band with the silicone pattern layer formed on one side of the nose bridge protection fabric with solvent-free silicone ink. Claims 1 to 3, manufactured by the method of any one of claims 1 to 3, a silicone pattern layer formed on the wire, a protective band on the bridge of the nose is laminated, a mask provided with a nose support.

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